Food ingress shield for dental prosthodontic apparatus

Details Food ingress shield for dental prosthodontic apparatus Food ingress shield for dental prosthodontic apparatus

1996-10-15

1998-09-08

Wilson, John J.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

433172, A61C 13225, A61C 13263

Patent

active

058037357

ABSTRACT:
A method and apparatus for setting and removing a cemented, retrievable prosthodontic appliance by means of a levering instrument applied to the gap between two parallel surfaces, the first surface being a flat-topped ledge of a window on the lingual aspect of a dental prosthesis and the second surface being at least one opposed step or ledge on an artificial implant abutment. This invention combines the evenly stressed strength of a permanently cemented prosthesis with a damage free method of prosthesis removal without undue forces on the underlying implant. A conformal, removable plug of durable polymer fills and is securable within yet removable from the window in the completed restoration.

REFERENCES:
patent: 3827145 (1974-08-01), Richards
patent: 4318696 (1982-03-01), Kasama et al.
patent: 4738622 (1988-04-01), Kawahara et al.
patent: 5006068 (1991-04-01), Lee et al.
patent: 5064373 (1991-11-01), Staubli et al.
patent: 5106299 (1992-04-01), Ghalili
patent: 5125839 (1992-06-01), Ingber et al.
patent: 5275560 (1994-01-01), Obersat

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